Granted Patent
Utility
US 6,258,148 · App. 09/223,372
Method of charging metal carriers to a melt-down gasifying zone
Inventors:
Udo Gennari, Johannes Schenk
Patented Case
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Granted: Jul 10, 2001
Filed: Dec 30, 1998
Inventors
Udo Gennari
Johannes Schenk
Assignees (at issue)
Voest-Alpine Industrieanlagenbau GmbH & Co.
Pohang Iron & Steel Co. Ltd.
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.